12056-07-4 硒化铟(III) Indium(III) selenide (In2Se3) 99.99%-99.999% 粉末,块 12069-00-0 硒化铅(II) Lead(II) selenide (PbSe) 99.99%-99.999% 粉末,块 12058-18-3 硒化钼(IV) Molybdenum(IV) selenide 99.9%-99.99% 粉末 (MoSe2)